用WSF算法实现机扫雷达多维超分辨估计  

Multidimensional Super-Resolution Estimation of Scanning Antenna with WSF Algorithm

作　　者：童宁宁[1] 张西川[1] 王光明[1] 

机构地区：[1]空军工程大学导弹学院,陕西三原713800

出　　处：《电光与控制》2009年第11期5-7,18,共4页Electronics Optics & Control

基　　金：国家自然科学基金资助(60601016)

摘　　要：针对传统扫描体制雷达(机扫雷达)无法分辨半功率波束宽度内存在多目标的问题,基于阵列信号处理的思想,应用加权子空间拟合(WSF)方法实现了机扫雷达超分辨估计。首先分析了机扫雷达幅度调制的导向矢量模型,然后推导了基于此导向矢量的WSF DOA估计方法。仿真结果表明,该方法具有较高的估计精度。It is difficult for a traditional mechanical scanning radar to distinguish multiple targets present in the mainlobe of the rotating antenna,thus we propose a method based on the idea of array signal processing.The Weighted Subspace Fitting（WSF） algorithm is used to implement super-resolution estimation of the scanning antenna.The steering vector model for amplitude modulation of scanning antenna is analyzed,and then WSF-DOA estimation method based on this steering vector is deduced.Simulation results demonstrated that this method has higher estimation precision.

关 键 词：扫描雷达 加权子空间拟合(WSF) 超分辨估计 

分 类 号：V271.4[航空宇航科学与技术—飞行器设计]